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Radiocarbon spike at 14.3 Ka in subfossil trees (Late Glacial)

  • Adolphi, F., Muscheler, R., Svensson, A. et al. Persistent link between solar activity and Greenland climate during the Last Glacial Maximum, Nature Geosci 7, 662–666, 2014. https://doi.org/10.1038/ngeo2225 (10Be dataset)
  • Bard et al., 2023 Edouard Bard, Cécile Miramont, Manuela Capano, Frédéric Guibal, Christian Marschal, Frauke Rostek, Thibaut Tuna, Yoann Fagault and Timothy J. Heaton: A radiocarbon spike at 14 300 cal yr BP in subfossil trees provides the impulse response function of the global carbon cycle during the Late Glacial , Trans. R.Soc. A, 381, 20220206, 2023. https://doi.org/10.1098/rsta.2022.0206
  • https://wattsupwiththat.com/2023/10/17/tree-rings-reveal-largest-solar-storm-evah/
  • solar energetic particle (SEP) spike
  • 10Be-GISP2: https://www.ncei.noaa.gov/pub/data/paleo/icecore/greenland/summit/gisp2/cosmoiso/ber10.txt

    Plots, Figures 00readme.txt
    Bard23,figure 8, 13.7-14.4 Ka(png)The complete dataset
    Bard23,figure 11, at 14.3 Ka(png) (cap)Data restricted to spike's (SEP) age
    Bard23,figure 12, at 14 Ka(png)Maunder-like event
    Bard23,pictures(png)Drouzet river and its side walls
    Bard23 fig11 digitized (pdf) (png)
    Bard23 fig11 smoothed (pdf) (png)5-points window
    Bard23 fig11 LOMB Spectrum (pdf) (png)Digitized
    Bard23 fig12 & smooth (pdf) (png)Digitized & 5-points window
    Bard23 fig12 LOMB Spectrum (pdf) (png)Digitized
    Bard23 both plots (pdf) (png)
    Bard23 both spectra (pdf) (png)
    GISP2 10Be (pdf) (png)
    GISP2 10Be & Bard (pdf) (png)
    GRIP 10Be (pdf) (png)
    GRIP 10Be & Bard (pdf) (png)
    GISP2 14C (pdf) (png)with band for Bard23
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    Data   
    =====================================
    Bard23 fig11 (txt)14.23-14.33 Ka, 100 yr
    Bard23 fig11 LOMB (out)
    Bard23 fig12 (txt)13.90-14.05 Ka, 150 yr
    Bard23 fig12 LOMB (out)
    GISP2 10Be (txt)
    GRIP 10Be (txt)Original in Adolphi et al., 2014 S.I.
    GISP2 14C (txt)
    GISP2 14C orig. (txt)

    Code

    bard23.bon, bard23-lomb.bon, bard23-12.bon, bard2312-lomb.bon, 10be.bon, 10be-bard.bon, 10be-bard2.bon, 14c.bon,

    Page Written: October 18 2023,        Last Updated: